The great thing about Red Bubble is that anyone can create a design and sell their art on t-shirts, hoodies, canvas, stickers, etc, and make money! You can create some art, sign up, upload your art, people [hopefully] like your product enough to order it on a shirt, so Red Bubble prints it on a shirt and ships it out, and pays you all the mark-up! It's why I love the site, and I love to support aspiring artists via buying their awesome shirts (I have SEVERAL Doctor Who shirts from Red Bubble). So take a look around! I've highlighted the Halo section, because RELEVANT! The ODST shirts are especially kick-ass!